US8110053B2 - Method and device for cutting a laminate and laminate product - Google Patents
Method and device for cutting a laminate and laminate product Download PDFInfo
- Publication number
- US8110053B2 US8110053B2 US11/547,961 US54796108A US8110053B2 US 8110053 B2 US8110053 B2 US 8110053B2 US 54796108 A US54796108 A US 54796108A US 8110053 B2 US8110053 B2 US 8110053B2
- Authority
- US
- United States
- Prior art keywords
- laminate
- ultrasound
- surface layers
- cutting
- nip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000005520 cutting process Methods 0.000 title claims abstract description 25
- 238000002604 ultrasonography Methods 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000004753 textile Substances 0.000 claims abstract description 29
- 239000002344 surface layer Substances 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 16
- 239000013013 elastic material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 4
- 238000009940 knitting Methods 0.000 claims 2
- 238000009941 weaving Methods 0.000 claims 2
- 229920002943 EPDM rubber Polymers 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims 1
- 238000009950 felting Methods 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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- 230000001070 adhesive effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
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- 210000003127 knee Anatomy 0.000 description 1
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- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 238000009958 sewing Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
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- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/436—Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/24—Hems; Seams
- A41D27/245—Hems; Seams made by welding or gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
- B29C65/085—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary sonotrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B29C65/087—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using both a rotary sonotrode and a rotary anvil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
- B29C65/7443—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/7294—Non woven mats, e.g. felt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/90—Measuring or controlling the joining process
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- B29C66/9516—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration amplitude
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- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2313/00—Use of textile products or fabrics as reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1054—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing and simultaneously bonding [e.g., cut-seaming]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0515—During movement of work past flying cutter
- Y10T83/0519—Cyclically varying rate of tool or work movement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/343—With means to deform work temporarily
Definitions
- the invention concerns a method and a device for cutting a laminate as well as a cut product of a laminate according to the preambles of the respective independent claims.
- Products cut out of a sheet of a laminate which includes a first and a second textile layer surrounding an intermediate layer of a porous elastic material are previously well known. According to the background art they are in general mechanically cut, whereby the resulting edge portions of the product have to be after-treated, for example by ribbon lining so that a ribbon is applied surrounding a cut edge portion of the product and is attached to a product through sewing or ultrasound welding.
- the aims of the present invention are to provide a method and a device as well as a product whereby the above drawbacks are avoided and wherein a totally more economic and functionally better product can be obtained.
- the achievement of the smooth, rounded, continuous edge joint between the surface layers are thus resulting directly from the ultrasound welding of the surface layers to each other in connection with the ultrasound emitting of the laminate in a local nip between ultrasound emitting element and counteracting element.
- the laminate is moved in the cutting line through and passed the local nip simultaneous with ultrasound welding of the first and the second surface layers to each other.
- the laminate is allowed to recover in order to form a smooth, rounded, continuous edge joint between the surface layers at the free edge of the laminate being formed through the cutting process.
- the ultrasound emitting element is, according to embodiments of the invention, a roller, a knife or a rail acting against a counteracting element being comprised of a metallic element such as a roller, a knife, a rail or a counteracting plate.
- the porous elastic material in the laminate retracts in connection with the ultrasound cutting, meaning that it melts, vaporizes, diminishes, from the nip through the action of the ultrasound treatment.
- the invention may in some applications be applied for surface layers of for example film-shaped material, but is particularly applicable and preferred for laminates, wherein the surface layers are comprised of textile layers, since the plurality of threads, which are to be heat joined, contribute to the achievement of a rounded, smooth edge portion.
- porous elastic material including any component which interacts and contributes to the ultrasound heat joining of the surface layers during the cutting process. This may be realized by materials, which has been melted or vaporized through the ultrasound cutting, migrates over to and is added to the region of melting and welding together of the surface layers.
- textile layers can advantageously be used wherein in particular stretchable, such as knitted, materials are most preferred.
- stretchable such as knitted
- non-woven textile layers are also suitable.
- distance tricots and distance-woven fabrics which comprise at least two separate but interconnected layers.
- a laminate including an additional layer positioned between at least one of the two textile layers and the porous layer.
- Components of this material may contribute in the ultrasound welding of the textile layers in a manner corresponding to certain ultrasound weldable components being included in the porous material as is indicated above.
- the additional layer can be an adhesive, film, membrane, powder or textile layer or the like.
- thermoplastic materials in particular polyamide, polyester, nylon, acrylic, vinyl, polypropylene and thermoplastic urethanes.
- the invention can also be applied on surface layers (textile layers) with an intermix of non-weldable materials such as natural fibres.
- the amount of weldable synthetic material (fibres) however, has to be high enough in order for adequate welding together to occur.
- Ultrasound welding of textile materials per see is previously well known, and equipment coming into question in the present invention may in principle be of a kind that is previously known, as it comes to ultrasound generator etc.
- FIG. 1 diagrammatically shows a section of an apparatus for cutting a laminate according to the invention
- FIG. 2 diagrammatically shows a section of the edge portion of a laminate which is cut using a method according to the invention
- FIG. 3 diagrammatically shows a cut product of a laminate according to the invention
- FIG. 4 shows a block diagram over a method according to the invention.
- reference numeral 1 indicates a laminate which is to be cut by a device according to the invention.
- a nip 2 between an ultrasound emitting element such as an ultrasound knife 3 and a counteracting plate 4 is adjusted to provide a nip width, i.e. a distance between the ultrasound knife 3 and the counteracting plate 4 , which is adapted to i.a. the thickness of the laminate to be cut.
- 9 indicates diagrammatically a generator for ultrasound waves of a prescribed wavelength and prescribed effect.
- the laminate 1 to be cut during simultaneous heat joining together of the enveloping textile layers includes a first textile layer 5 which is laminated to an elastic, foamed material 6 , which in turn at its other side comprises an additional layer 7 of a weldable material which is applied in order to give more uniform weld quality through its participation in the welding area.
- a second outer textile layer 8 is positioned at the outside of said additional layer 7 .
- the laminate in operation, is intended for movement perpendicular to the drawing plane.
- the laminate is moved passing the nip 3 as ultrasound waves are generated, and emitted by the ultrasound knife 3 in the direction of the counteracting plate 4 .
- the elastic porous material 6 is brought away, is vaporized, is melted respectively, so that the outer layers 5 and 8 are squeezed together into contact with each other only via the additional layer 7 .
- the textile layers 5 and 8 and the additional layer 7 are melted so that the pieces of a laminate are separated at the nip at the same time as a bond will be established between the first textile layer 5 and the second textile layer 8 .
- the elastic porous material 6 After passing the nip 2 , the elastic porous material 6 will recover during exerting of a certain tension laterally as seen over the cut area. Hereby the still soft and now melted together region of the textile layers 5 and 8 will be subjected to a small tensile force in the area of the joint between the textile layers as is indicated by arrows D in FIG. 2 . Hereby there an alignment and smoothening of the joint portion 11 will occur during simultaneous cooling of these areas so that the result will become a smooth rounded continuous joint.
- FIG. 3 is diagrammatically shown a cut product 12 in the form of a knee protector having edge regions 14 cut through the method according to the invention. 13 indicates, with interrupted lines, the leg of a user.
- FIG. 4 is a flowchart over a method according to the invention wherein:
- Position 15 indicates the start of the sequence.
- Position 16 indicates pressing together a laminate in a local nip between an ultrasound emitting element and a counteracting element.
- Position 17 indicates moving forward of the laminate along a cutting line during ultrasound cutting of the laminate simultaneous with ultrasound welding of a first and a second textile layer.
- Position 18 indicates the cooling process during simultaneous gentle stretching of the textile layers that are welded together.
- Position 19 indicates the end of the sequence.
- laminates which do not comprise any additional layer ( 7 in FIG. 1 ). In practice this is believed to be the most useful and economic application of the invention. Laminates including an additional layer also between the first textile layer 5 and the elastic porous material 6 can, however, also be contemplated.
- nip width nip width
- moving speed of the laminate through the nip wavelength of ultrasound waves that are used as well as power output of the ultrasound generator.
- the latter can in general be corresponding to what is used in conventional ultrasound welding of textile layers. It could, however, be necessary to adapt it as well as also other parameters to the situation in question and to the materials of the laminate to be treated.
- adjusting the thread directions with respect to moving directions wherein in particular moving directions crosswise with respect of general thread directions of the textile material has proven to be particularly suitable.
- Parameters such as speed through the nip, nip width, dimensions of tools and tool angles such as knife or roller edge angle as well as ultrasound output power, frequency, amplitude are adjusted for adaptation to the present application. See as an example FIG. 1 , where a denotes knife angle.
- the mechanism for feeding the laminate through the nip can be outlined in different, per se known ways.
- a feed roller may be serrated, toothed or the like so as to increase feed friction. Intermittently operating, non-rotating feeders may also be contemplated. It is not excluded to have manual feeding.
- Products produced according to the invention can be provided for a number of additional uses, besides the above mentioned, whereby can be mentioned hygiene products of different kinds, details of clothes, (coats, wristlets), details of furniture, car upholstery etc.
- ultrasound emitting element and counteracting element is to be understood to be interpreted broadly so as to embrace various combinations of elements forming a nip into which ultrasound energy is emitted. It does not exclude having ultrasound emitted from two sides of the nip. Neither is it intended to exclude having separate element(-s), that do(-es) not form the very nip, emitting ultrasound to the nip.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0400926-2 | 2004-04-07 | ||
SE0400926A SE528860C2 (en) | 2004-04-07 | 2004-04-07 | Method and apparatus for cutting a laminate and laminate product |
SE0400926 | 2004-04-07 | ||
PCT/SE2005/000486 WO2005097474A1 (en) | 2004-04-07 | 2005-04-04 | Method and device for cutting a laminate and a laminated product |
Publications (2)
Publication Number | Publication Date |
---|---|
US20080250906A1 US20080250906A1 (en) | 2008-10-16 |
US8110053B2 true US8110053B2 (en) | 2012-02-07 |
Family
ID=32173700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/547,961 Expired - Fee Related US8110053B2 (en) | 2004-04-07 | 2005-04-04 | Method and device for cutting a laminate and laminate product |
Country Status (6)
Country | Link |
---|---|
US (1) | US8110053B2 (en) |
EP (1) | EP1732745B1 (en) |
CA (1) | CA2561687A1 (en) |
PL (1) | PL1732745T3 (en) |
SE (1) | SE528860C2 (en) |
WO (1) | WO2005097474A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014195894A1 (en) * | 2013-06-06 | 2014-12-11 | Delta Galil Industries Ltd. | Garment having seam-less elastic band, and system and method for producing such garment |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2465138C2 (en) * | 2010-12-27 | 2012-10-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Method of ultrasound welding of synthetic materials |
JP6305884B2 (en) * | 2014-09-09 | 2018-04-04 | 株式会社日立プラントメカニクス | Film laminating apparatus and operation method thereof |
JP6824272B2 (en) * | 2015-12-02 | 2021-02-03 | スウィーディッシュ・マッチ・ノース・ヨーロップ・アーベー | Encapsulation device |
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US4410383A (en) * | 1981-08-27 | 1983-10-18 | Rai Research Corporation | Method for the manufacture of thermoplastic tubular members |
JPS60236828A (en) | 1984-05-08 | 1985-11-25 | Pearl Kogyo Kk | Machining method of sun shade for car |
US4560427A (en) * | 1984-12-03 | 1985-12-24 | Branson Ultrasonics Corporation | Ultrasonic seal and cut method and apparatus |
GB2167707A (en) | 1984-12-03 | 1986-06-04 | Branson Ultrasonics Corp | Ultrasonic cutting and sealing |
US4610750A (en) * | 1985-04-05 | 1986-09-09 | Branson Ultrasonics Corporation | Ultrasonic cut and seal apparatus |
US4623420A (en) * | 1985-06-06 | 1986-11-18 | Branson Ultrasonics Corporation | Anvil for ultrasonic slitting apparatus |
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US5061331A (en) | 1990-06-18 | 1991-10-29 | Plasta Fiber Industries, Inc. | Ultrasonic cutting and edge sealing of thermoplastic material |
US5141042A (en) * | 1990-01-02 | 1992-08-25 | The B. F. Goodrich Company | Web covered vertical blind slat assemblies |
FR2689436A1 (en) | 1992-04-07 | 1993-10-08 | Linder Ets | Ultrasonic fabric cutting - comprises moving material between ultrasonic cutter and cutting surface, holding material against cutting surface while irradiating, cutting and opt. welding the edge |
JPH06323070A (en) | 1991-07-05 | 1994-11-22 | Nichibei Kaihatsu:Kk | Cloth slat manufacturing device |
EP0695628A1 (en) | 1994-08-03 | 1996-02-07 | Mitsubishi Gas Chemical Company, Inc. | Sheet-shaped oxygen absorber and manufacturing method thereof |
KR19990068825A (en) | 1999-06-26 | 1999-09-06 | 주식회사 제일스폰지 | Method of manufacturing a cosmetic puff |
US6451205B1 (en) | 1999-04-05 | 2002-09-17 | Filtertek Inc. | Filter manufacturing process using a combined welding and cutting step |
-
2004
- 2004-04-07 SE SE0400926A patent/SE528860C2/en not_active IP Right Cessation
-
2005
- 2005-04-04 PL PL05728088T patent/PL1732745T3/en unknown
- 2005-04-04 EP EP20050728088 patent/EP1732745B1/en not_active Not-in-force
- 2005-04-04 CA CA 2561687 patent/CA2561687A1/en not_active Abandoned
- 2005-04-04 US US11/547,961 patent/US8110053B2/en not_active Expired - Fee Related
- 2005-04-04 WO PCT/SE2005/000486 patent/WO2005097474A1/en active Application Filing
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US4410383A (en) * | 1981-08-27 | 1983-10-18 | Rai Research Corporation | Method for the manufacture of thermoplastic tubular members |
US4693771A (en) * | 1983-11-28 | 1987-09-15 | Springs Industries, Inc. | Woven textile fabric having an ultrasonically cut and sealed edge and apparatus and process for producing same |
JPS60236828A (en) | 1984-05-08 | 1985-11-25 | Pearl Kogyo Kk | Machining method of sun shade for car |
US4560427A (en) * | 1984-12-03 | 1985-12-24 | Branson Ultrasonics Corporation | Ultrasonic seal and cut method and apparatus |
GB2167707A (en) | 1984-12-03 | 1986-06-04 | Branson Ultrasonics Corp | Ultrasonic cutting and sealing |
US4610750A (en) * | 1985-04-05 | 1986-09-09 | Branson Ultrasonics Corporation | Ultrasonic cut and seal apparatus |
US4623420A (en) * | 1985-06-06 | 1986-11-18 | Branson Ultrasonics Corporation | Anvil for ultrasonic slitting apparatus |
US4711693A (en) * | 1986-07-07 | 1987-12-08 | Branson Ultrasonics Corp. | Anvil for ultrasonic slitting apparatus |
US5141042A (en) * | 1990-01-02 | 1992-08-25 | The B. F. Goodrich Company | Web covered vertical blind slat assemblies |
US5061331A (en) | 1990-06-18 | 1991-10-29 | Plasta Fiber Industries, Inc. | Ultrasonic cutting and edge sealing of thermoplastic material |
JPH06323070A (en) | 1991-07-05 | 1994-11-22 | Nichibei Kaihatsu:Kk | Cloth slat manufacturing device |
FR2689436A1 (en) | 1992-04-07 | 1993-10-08 | Linder Ets | Ultrasonic fabric cutting - comprises moving material between ultrasonic cutter and cutting surface, holding material against cutting surface while irradiating, cutting and opt. welding the edge |
EP0695628A1 (en) | 1994-08-03 | 1996-02-07 | Mitsubishi Gas Chemical Company, Inc. | Sheet-shaped oxygen absorber and manufacturing method thereof |
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KR19990068825A (en) | 1999-06-26 | 1999-09-06 | 주식회사 제일스폰지 | Method of manufacturing a cosmetic puff |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014195894A1 (en) * | 2013-06-06 | 2014-12-11 | Delta Galil Industries Ltd. | Garment having seam-less elastic band, and system and method for producing such garment |
US10155343B2 (en) | 2013-06-06 | 2018-12-18 | Delta Galil Industries Ltd. | Garment having seam-less elastic band, and system and method for producing such garment |
Also Published As
Publication number | Publication date |
---|---|
WO2005097474A1 (en) | 2005-10-20 |
PL1732745T3 (en) | 2014-03-31 |
CA2561687A1 (en) | 2005-10-20 |
US20080250906A1 (en) | 2008-10-16 |
EP1732745A1 (en) | 2006-12-20 |
EP1732745B1 (en) | 2013-08-28 |
SE0400926L (en) | 2005-10-08 |
SE0400926D0 (en) | 2004-04-07 |
SE528860C2 (en) | 2007-02-27 |
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